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313 O U T L INE S OF I IR IT ISH FUNGOLOGY.
at length bursting at the apex, and closed by a white membrane.
Sporangia plane, umbilicate, attached to the walls by
an elastic cord.
1. striatus, Hoffm.; obconic, truncate above and below, externally ferruginous,
liairy, ivitlrin lead-coloured, smooth, striate. (Plate 3,
fig. 3.) On sticks, fir-cones, etc. Not uncommon.
2. vernicosus, DO.; hell-shaped, narrow at the base, nearly sessile,
quite even, externally ochraceous or cinereous, minutely downy, at
length smooth, within lead-coloured or brown. (Plate 31, fig. 1.)
On the ground, especially in stubble-fields. Common.
92. c r u c ib u l u m :, Tul.
Peridium consisting of a uniform, spongy, fibrous felt,
closed by a flat furfuraceous cover of the same colour. Sporangia
plane, attached by a long cord, springing from a little
nipple-like tubercle.
1. vulgare, Tul. (Plate 2, fig. 1.) Oh fern, sticks, etc. Not uncommon.
93. SPH.30EOBOLUS, Tode.
Peridium double; the inner at length inverted elastically,
and ejecting a solitary subglobose sporangium.
1. stellatus, Tode; globose, pale yeUow; mouth regular, stellato-den-
tate, (Plate 21, fig. 3.) On sawdust, twigs, etc. Not uncommon.
94. BOLYANGIUM, Lk.
Peridium subhemispherical, hyaline. Sporangia large in
proportion, grumous within.
1. vitellinum, Diri»../. c ./. 37. On fallen trunks. Yeiyrare. King’s
Cliffe.
Atractobolus iibiquitarius is simply the eggs of some Wd-
pignathus; Myriococcum and Thelebolus were introduced into
S PHA5R0NEMEI . 313
the ‘ English Flora’ on the authority of Loudon, but it is not
certain that they were ever found in Great Britain.
E a m . I I I .—c o n i o m y c e t e s .
Spores either solitary or concatenate, produced on the tips
of generally short threads, which are either naked or contained
in a perithecium, rarely compacted into a gelatinous mass.*
O r d e r 1 2 . SPHMliONEMEL
Perithecium more or less distinct.
95. CONIOTHYRIUM, Cd.
Perithecium memhranaceous, bursting irregularly or transversely.
Spores simple, at length free.
1 . glomeratum, Cd. Ease. i . f . 1 0 8 {no. 752). On elm planks.
96. LEBTOSTEOMA, Fr.
Perithecium memhranaceous, flat, breaking off at the base.
Spores simple, minute.
1 . caricinnm, Pr.; Ohs. ii. t . l . f . 4 . On dead sedges.
2. juncinum, Pr. {no. 1 0 8 ) . On dead rushes.
3. filicinum, Pr.; Sow. t. 394./. 1 0 . On dead Pteris aquilina.
4. litigiosum, Desm. On dead Pteris aquilina.
5. Spirmee, Pr. On dead Spiraea TJlmaria.
6. vulgare, Fr. {no. 205). On various dead herbaceous plants.
97. PHOMA, Fr.
Perithecium punctiform or subglobose, often spurious or
* The spores are the prominent feature of this family, and not the thi-eads,
as in the following.
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